9438733393 has 2 divisors, whose sum is σ = 9438733394. Its totient is φ = 9438733392.

The previous prime is 9438733309. The next prime is 9438733427. The reversal of 9438733393 is 3933378349.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7546744384 + 1891989009 = 86872^2 + 43497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9438733393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9438733393.

It is not a weakly prime, because it can be changed into another prime (9438713393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4719366696 + 4719366697.

It is an arithmetic number, because the mean of its divisors is an integer number (4719366697).

Almost surely, 2^9438733393 is an apocalyptic number.

It is an amenable number.

9438733393 is a deficient number, since it is larger than the sum of its proper divisors (1).

9438733393 is an equidigital number, since it uses as much as digits as its factorization.

9438733393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 52.

The square root of 9438733393 is about 97153.1440201500. The cubic root of 9438733393 is about 2113.3490828972.

The spelling of 9438733393 in words is "nine billion, four hundred thirty-eight million, seven hundred thirty-three thousand, three hundred ninety-three".